# SDR ASAA2023052043283

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2023
- Submitted: May 22, 2023
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 32,956 hours, 10,406 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023052043283

## Discrepancy

LEFT BLUE "RAM DOOR FULL OPEN" LIGHT ON DURING CRUISE FL330. NOTICED THE LIGHT ON AT TOP OF CLIMB, LIGHT STAYED ILLUMINATED. GROUNDED - YES. RESET LEFT HAND RAM AIR CONTROL C/B'S ON P-6-4 PANEL ROW A / 4 8 9 11 PERFORMED BITE ON PACK/ZONE TEMP CONTROLLER ALL TEST PASS RAM AIR FAULT CLEARED OK FOR SERVICE.

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